public class Exercise00044 {
        public static void main(String[] args) {
            int a = 1;
            switch(a) {
                case 1:
                    System.out.println("a=1");
                    break;
                case 2 :
                    System.out.println("a=2");
                    break;
                default:
                    System.out.println("无匹配");
            }
        }

}
